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Video: J.S. Hamilton Laboratory in Gdynia

We are delighted to announce you that the J.S. Hamilton Laboratory in Gdynia is fully operational and offers a comprehensive range of services related to the testing of food and dietary supplements.

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Voluntary Certification J.S. Hamilton

Voluntary Certification is an assessment process to confirm that a certain characteristic of a product or material has been met.

The result of the assessment carried out for the customer is obtaining a certificate and an individual mark of conformity

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Network of accredited testing
laboratories J.S. Hamilton

J.S. Hamilton offers a wide spectrum of microbiological and chemical analyses for manufacturers of food, cosmetics, pharmaceuticals, chemicals, food contact packaging and many other industries. J.S. Hamilton provides also independent inspection services in order to check the quality and quantity of goods being subjected to international trade.

7 000

daily tested samples

6 000

regular clients

1 600

accredited testing methods

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Food and Feed

Cosmetic bottle containers with green herbal leaves
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Cosmetics

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Environmental Tests

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Packaging, toys and consumer products

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Inspections and fuel fumigation

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Other Services

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News

Doping Testing in Nutritional Products and Dietary Supplements

Doping in sport is a problem that affects both amateur and professional athletes. In the context of dietary supplements and sports nutrition products, doping testing becomes crucial for protecting athletes’ health and maintaining fair competition. This article discusses doping-related aspects of supportive products, highlighting potential risks and the need for proper control. What Is Doping …

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New Update in FCM: Regulation (EU) 2026/245 is here!

The landscape of Food Contact Materials (FCM) in the EU continues to evolve, and the recent publication of Commission Regulation (EU) 2026/245 (amending Annex I of 10/2011) marks another critical step for the industry.  If you are used to seeing the “Restrictions and Specifications” column in Annex I as mostly empty, it’s time to look again. This update demonstrates a clear trend: that last column …

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Storage testing of dietary supplements – check how long your product retains its value in various climate zones

The stability of dietary supplements is one of the key elements of their quality. Consumers expect that the declared content of active ingredients will be maintained throughout the shelf life and that the product will be safe and comply with the specifications. To guarantee this, manufacturers use stability studies to assess how a supplement behaves …

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New Year in the cosmetology laboratory – Regulations, Events, and Practical Information for the Start of the Year

The beginning of the year is a good time to organize the most important information for the cosmetics industry and to look ahead to the coming months from the perspective of regulatory changes, planned events, and practical aspects of laboratory cooperation. In the latest edition of COSM updates, we summarize key topics that may be …

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Proven proficiency in contaminant testing of recycled plastics

We are pleased to announce that J.S. Hamilton Poland laboratories have successfully completed the DRRR Proficiency Testing programme conducted for Plastics Recyclers Europe (PRE): “Contaminants in recycled plastic material – Phase 2 (RVEP 259599)”. Successful completion of both proficiency testing rounds resulted in J.S. Hamilton being included on the list of laboratories accepted by Plastics …

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Professional verification of dietary supplement labels

In the dietary supplement industry, labels play a much greater role than just providing information. They are also a tool for communicating with consumers, an element that builds brand credibility, and – crucially – a legal document that must meet specific requirements. Incorrect labeling can lead to serious consequences: from the need to correct labels, …

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Year-end summary of J.S. Hamilton cosmetology laboratory

The closing year has been a time of intense development, numerous implementations, gaining new knowledge, and strengthening collaborations with industry partners. We are proud to present the key moments and achievements of our team. Sun Protection – Development of Expertise and Industry Presence Together with PZPK, we created the e-book “Sun Protection (Not Only) in …

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Merry Christmas and a Happy New Year!

May we send our best wishes and seasonal greetings to all of our Customers and Business Partners, with the hope the coming year 2026 bring you and your loved ones good health, happiness and many joyful moments.

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Dried Fruits and Nuts on the Holiday Table: Heavy Metals and Mycotoxins. What Should Producers Know?

During the holiday season, consumers are particularly keen to reach for dried fruits and nuts: nuts, dried fruits, cake mixes, muesli and “healthy snacks”. These products are associated with naturalness, high quality and family tradition, which is why expectations for their safety are particularly high. At the same time, it is precisely in this product category that …

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